Finding the Fourth Proportional to 2,924.52, 4,386.64 and 976.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,924.52 : 4,386.64 = 976.72 : x
2. Step 2: Convert to fraction form
   2,924.52/4,386.64 = 976.72/x
3. Step 3: Cross multiply
   2,924.52x = 4,386.64 × 976.72
4. Step 4: Simplify right side
   2,924.52x = 4,284,519.02
5. Step 5: Solve for x
   x = 4,284,519.02/2,924.52
6. Step 6: Final answer
   x = 1,465.03